Home / 28,197.28-42,315.06-15,059.08

Finding the Fourth Proportional to 28,197.28, 42,315.06 and 15,059.08

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Solution

The fourth proportional to 28,197.28, 42,315.06 and 15,059.08 is: 22,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,197.28 : 42,315.06 = 15,059.08 : x
  2. Step 2: Convert to fraction form
    28,197.28/42,315.06 = 15,059.08/x
  3. Step 3: Cross multiply
    28,197.28x = 42,315.06 × 15,059.08
  4. Step 4: Simplify right side
    28,197.28x = 637,225,873.74
  5. Step 5: Solve for x
    x = 637,225,873.74/28,197.28
  6. Step 6: Final answer
    x = 22,598.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.